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Unanswered Questions

1,126 questions with no upvoted or accepted answers
7
votes
1answer
136 views

How to detect whether a video is shaky

I need to stabilize a video only when the video is shaky , I have succesfully stabilized a video using ffmpeg and I do not need to stabilize all the videos , I only need to stabilize the videos which ...
7
votes
0answers
3k views

How to produce a zoom animation of a video source with ffmpeg?

I'd like to create a zoom-in animation over numerous frames of a video clip. I've tried a couple of approaches without much luck. ffmpeg -i test-10s.mp4 -vf "zoompan=z='zoom+0.001'" zoompan-10s.mp4 ...
6
votes
1answer
730 views

Making a Digital clock with a specific time for Sony Vegas Platinum 12

I'm using Vegas Platinum 12 and I want to create a time code in a video. But here is the catch. I want to start the clock at a specific time and have the count start at that time, i.e 05:21:34 or 21:...
5
votes
2answers
80 views

How do I create a random word title?

I really don't know what is the best way to phrase this. But basically what I want is to have a single word on the screen, e.g. AUGUST. So when the title first starts, all 6 letters will be ...
5
votes
0answers
2k views

Using ffmpeg to cut videos with more precision than key frames allow

I'm trying to cut a video (a debate on TV) with ffmpeg without re-encoding, and I need to cut between 2 sentences a guy pronounce. I think the precise moment is between two keyframes, because whatever ...
5
votes
3answers
1k views

Can I record directly to a computer with the HC-V250?

I'm considering purchase of the Panasonic HC-V250, but my primary use case is recording directly to a folder on my computer. (I do a lot of post-production editing, so I need all the files on my ...
4
votes
1answer
45 views

Is there an online video server that can show paneable extremely large videos?

I want to turn a set of high-resolution satellite images of the Earth (10,000x10,000 pixels) into a time-lapse video. But instead of downsizing the images, I would like that people could zoom into ...
4
votes
1answer
38 views

Import secondary audio track along with video mpg into Adobe Premiere Pro

I've been trying for hours to import an mpg along with its secondary audio track into Adobe Premiere Pro. Only the primary track is imported. I know this mpg has two tracks because I can play the ...
4
votes
1answer
82 views

Is it possible to track continue motion tracking on another point in After Effects CC?

I have green screen footage and have about 4 points on the green screen but sometimes the actor moves and hide the points. He will hide all point but not at the same time. Is it possible to motion ...
4
votes
1answer
163 views

Free software for batch basic editing and down-sampling

I have a bunch of TV shows in HD that I want to down-sample to SD and at the same time strip out the titles and credits. Handbrake has great encoding and can handle batches, but I can't find a way to ...
4
votes
2answers
50 views

Projection mapping as an external display for a computer

I'm using a projector to display the content of my computer, as one would do with a regular screen. Now I want to do the projection on several panels that have different orientations. Hence I'm ...
4
votes
1answer
564 views

Largest input image size when encoding a video?

I got a bunch of really large 16 bit videos, approaching 65535×65535 pixels in size. These are essentially high quality timelapse panoramas. I want to convert them to a 7680×4320 movie (8K UHD, 8 bit)....
4
votes
0answers
10k views

What's the best way to convert mp4 to avi?

I'm trying to convert an mp4 file to avi. I've tried this basic ffmpeg script: ffmpeg -i inputFile.mp4 outputFile.avi It works, but the encoded avi file is very pixelated and does not work with ...
4
votes
0answers
381 views

GStreamer mpegtsmux produces empty output file

I'm trying to construct a GStreamer pipeline to transcode MPEG2 video and MPEG1 audio in a MPEGTS container to H.264 and AAC and output to a filesink. The problem is: the output file is empty. If I ...
4
votes
0answers
1k views

Getting FFMPEG to stream video+audio through RTMP

Can someone help me with this : The video streams fine but I can't hear any audio. I just hear random click sounds.Please help : ffmpeg -f video4linux2 -channel 1 -i /dev/video0 -f alsa -i plughw:...

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